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WO2020029973A1 - Procédé de traitement d'informations et appareil de communication - Google Patents

Procédé de traitement d'informations et appareil de communication Download PDF

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Publication number
WO2020029973A1
WO2020029973A1 PCT/CN2019/099505 CN2019099505W WO2020029973A1 WO 2020029973 A1 WO2020029973 A1 WO 2020029973A1 CN 2019099505 W CN2019099505 W CN 2019099505W WO 2020029973 A1 WO2020029973 A1 WO 2020029973A1
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WO
WIPO (PCT)
Prior art keywords
information
channel
dci
time domain
dmrs
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/CN2019/099505
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English (en)
Chinese (zh)
Inventor
邵家枫
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Huawei Technologies Co Ltd
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Huawei Technologies Co Ltd
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Filing date
Publication date
Application filed by Huawei Technologies Co Ltd filed Critical Huawei Technologies Co Ltd
Priority to EP19848487.5A priority Critical patent/EP3826216B1/fr
Publication of WO2020029973A1 publication Critical patent/WO2020029973A1/fr
Priority to US17/170,330 priority patent/US11848808B2/en
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/0091—Signalling for the administration of the divided path, e.g. signalling of configuration information
    • H04L5/0094—Indication of how sub-channels of the path are allocated
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/26—Systems using multi-frequency codes
    • H04L27/2601—Multicarrier modulation systems
    • H04L27/2602—Signal structure
    • H04L27/261—Details of reference signals
    • H04L27/2613—Structure of the reference signals
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0048—Allocation of pilot signals, i.e. of signals known to the receiver
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/0001—Arrangements for dividing the transmission path
    • H04L5/0003—Two-dimensional division
    • H04L5/0005—Time-frequency
    • H04L5/0007—Time-frequency the frequencies being orthogonal, e.g. OFDM(A) or DMT
    • H04L5/001—Time-frequency the frequencies being orthogonal, e.g. OFDM(A) or DMT the frequencies being arranged in component carriers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/0001—Arrangements for dividing the transmission path
    • H04L5/0003—Two-dimensional division
    • H04L5/0005—Time-frequency
    • H04L5/0007—Time-frequency the frequencies being orthogonal, e.g. OFDM(A) or DMT
    • H04L5/0012—Hopping in multicarrier systems
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0048—Allocation of pilot signals, i.e. of signals known to the receiver
    • H04L5/0051—Allocation of pilot signals, i.e. of signals known to the receiver of dedicated pilots, i.e. pilots destined for a single user or terminal
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/04—Wireless resource allocation
    • H04W72/044—Wireless resource allocation based on the type of the allocated resource
    • H04W72/0446—Resources in time domain, e.g. slots or frames
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/04—Wireless resource allocation
    • H04W72/044—Wireless resource allocation based on the type of the allocated resource
    • H04W72/0453—Resources in frequency domain, e.g. a carrier in FDMA
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/20—Control channels or signalling for resource management
    • H04W72/23—Control channels or signalling for resource management in the downlink direction of a wireless link, i.e. towards a terminal
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/50—Allocation or scheduling criteria for wireless resources
    • H04W72/53—Allocation or scheduling criteria for wireless resources based on regulatory allocation policies

Definitions

  • the present application relates to the field of communications, and more specifically, to a method for processing information and a communication apparatus in the field of communications.
  • a reference signal In a wireless communication system, during uplink information transmission or downlink information transmission, a reference signal (RS) needs to be transmitted, and the reference signal is used for channel estimation, and then the result of channel estimation is used to demodulate and decode information. .
  • RS reference signal
  • the new radio (NR) of the 5th generation (5G) mobile communication system introduces a more flexible and more complex resource scheduling method.
  • 5G NR there are multiple information indicating reference signals. At this time, how the terminal device processes the multiple information is an issue that needs to be solved urgently.
  • the present application provides an information processing method and a communication device, which can discard the second information when the first information is inconsistent with the second information, thereby improving the demodulation performance of the channel.
  • a method for processing information including:
  • the first information includes first downlink control information DCI and the second information includes second DCI, or the first information includes first configuration information and the second information includes second DCI, or the first information Including the first DCI and the second information includes second configuration information, and the first configuration information and the second configuration information are both high-level signaling;
  • the second information is discarded, wherein the first condition includes at least one of the following conditions:
  • the partial bandwidth indication information indicated by the second information is different from the partial bandwidth indication information indicated by the first information
  • the antenna port information indicated by the second information is different from the antenna port information indicated by the first information
  • the DMRS sequence initialization information indicated by the second information is different from the DMRS sequence initialization information indicated by the first information.
  • the terminal device may discard the second information and follow the indication of the first information, thereby improving the demodulation performance of the channel.
  • the second information is discarded, and the DMRS corresponding to the first channel indicated by the first information can also be used to demodulate the information of the second channel indicated by the second information.
  • the second channel shares the use of the DMRS of the first channel so as not to affect the demodulation performance of the second channel.
  • the terminal device reports that it does not support the ability to transmit two or more DMRSs, and the two or more DMRSs overlap in the time domain.
  • the terminal device receives the high-level signaling sent by the network device and configures that the terminal device cannot transmit two or more DMRSs, and the two or more DMRSs overlap in the time domain.
  • the terminal device may report the capability of supporting transmission of two or more DMRSs.
  • the frequency domain resources of the two or more DMRSs are in a serving cell, or in a partial bandwidth, or in multiple partial bandwidths of a serving cell, or in different uplinks, here
  • the uplink may be a supplemental uplink.
  • the first information includes the first DCI and the second information includes the second DCI, wherein the first DCI and the first DCI
  • the DCI format identifiers in both DCIs are 0; or,
  • the first information includes the first configuration information
  • the second information includes the second DCI.
  • the DCI format identifier in the second DCI is 0, and the first configuration information is used to configure no dynamics.
  • the second information includes the second configuration information
  • the first information includes the first DCI.
  • the DCI format identifier in the first DCI is 0, and the second configuration information is used to configure a non-dynamic authorization. Upstream transmission.
  • setting the DCI format ID of the DCI to 0 indicates that the DCI is used to indicate transmission of uplink information.
  • the first condition further includes at least one of the following conditions:
  • the uplink and supplemented uplink indication information indicated by the second information is different from the uplink and supplemented uplink indication information indicated by the first information;
  • the frequency hopping information indicated by the second information is different from the frequency hopping information indicated by the first information
  • the correspondence between the phase tracking reference signal PTRS and the demodulation reference signal DMRS indicated by the second information is different from the correspondence between the PTRS and DMRS indicated by the first information;
  • the closed-loop power control instruction information indicated by the second information is different from the closed-loop power control instruction information indicated by the first information
  • the converted precoder information indicated by the second information is different from the converted precoder information indicated by the first information.
  • the first information is further used to indicate a time domain resource of the first channel
  • the second information is further used to indicate a time domain resource of the second channel
  • the method further includes:
  • the first condition further includes at least one of the following conditions:
  • the time domain resource of the third channel is between the time domain resource of the first channel and the time domain resource of the second channel;
  • the time domain resources of the third channel partially or completely overlap the time domain resources of the first channel
  • the time domain resources of the third channel and the time domain resources of the second channel partially or completely overlap.
  • the uplink transmission power of the terminal device may be changed, so that the uplink transmission power of the terminal device on the first channel is different from the uplink transmission power on the second channel, resulting in
  • the two channels cannot use the same DMRS for demodulation, that is, DMRS sharing cannot be performed.
  • the method may further include: the terminal device receives a fifth channel, where the fifth channel is used to carry semi-continuous scheduling downlink information, or Used to carry scheduling-based downlink information.
  • the first condition further includes at least one of the following conditions:
  • the time domain resource of the fifth channel is between the time domain resource of the first channel and the time domain resource of the second channel;
  • Time domain resources of the fifth channel overlap with time domain resources of the first channel
  • the time domain resources of the fifth channel overlap with the time domain resources of the second channel.
  • the uplink transmission power of the terminal device on the first channel is different from the uplink transmission power on the second channel, so that the first channel and the second channel cannot use the same DMRS for demodulation. That is, DMRS sharing cannot be performed.
  • the first condition further includes at least one of the following conditions:
  • the terminal device is configured in a transmission power command accumulation mode, and the transmission power command word indicated by the second information is not 1;
  • the terminal device is configured in a non-transmission power command accumulation mode, and the transmission power command word indicated by the second information is different from the transmission power command word indicated by the first information.
  • the first information includes the first DCI and the second information includes the second DCI, wherein the first DCI and the first DCI The DCI ID in both DCIs is 1; or,
  • the first information includes the first configuration information
  • the second information includes a second DCI.
  • the DCI format identifier in the second DCI is 1, and the first configuration information is used to configure downlink semi-continuous scheduling. Transmission; or,
  • the second information includes the second configuration information
  • the first information includes the first DCI
  • a DCI format identifier in the first DCI is 1
  • the second configuration information is used to configure downlink semi-continuous scheduling. transmission.
  • a DCI format identifier of the DCI of 1 indicates that the DCI is used to indicate transmission of downlink information.
  • the first condition further includes at least one of the following conditions:
  • the transmission configuration indication information indicated by the second information is different from the transmission configuration indication information indicated by the first information
  • the physical resource block binding size indication information indicated by the second information is different from the physical resource block binding size indication information indicated by the first information
  • the frequency hopping information indicated by the second information is different from the frequency hopping information indicated by the first information.
  • the first information is further used to indicate a time domain resource of the first channel
  • the second information is further used to indicate a time domain resource of the second channel
  • the method further includes:
  • the first condition further includes at least one of the following conditions:
  • the time domain resource of the fourth channel is between the time domain resource of the first channel and the time domain resource of the second channel;
  • the time domain resources of the fourth channel partially or completely overlap the time domain resources of the first channel
  • the time domain resources of the fourth channel and the time domain resources of the second channel partially or completely overlap.
  • the downlink transmission power of the network device may be changed, so that the downlink transmission power of the network device on the first channel is different from the downlink transmission power on the second channel, resulting in the first channel being different from the first channel.
  • the two channels cannot use the same DMRS for demodulation, that is, DMRS sharing cannot be performed.
  • the method may further include: the terminal device sends a sixth channel, where the sixth channel is used to carry the uplink information of the configuration authorization, or is used to carry Uplink information based on scheduling.
  • the first condition further includes at least one of the following conditions:
  • the time domain resource of the sixth channel is between the time domain resource of the first channel and the time domain resource of the second channel;
  • the time domain resources of the sixth channel overlap with the time domain resources of the first channel
  • the time domain resources of the sixth channel overlap with the time domain resources of the second channel
  • the downlink transmission power transmission of the network device may be changed, so that the downlink transmission power of the network device on the first channel is different from the downlink transmission power on the second channel, resulting in that the first channel is different from the first channel.
  • the two channels cannot use the same DMRS for demodulation, that is, DMRS sharing cannot be performed.
  • the first information includes a first DCI and the second information includes a second DCI, and the first condition further includes at least one of the following conditions item:
  • the first DCI is scrambled with a first wireless network temporary identifier RNTI
  • the second DCI is scrambled with a second RNTI
  • the first RNTI is different from the second RNTI
  • a format of the first DCI is a first format
  • a format of the second DCI is a second format
  • the first format is different from the second format
  • a search space where the first DCI is located is a first search space
  • a search space where the second DCI is located is a second search space
  • the first search space is different from the second search space
  • the physical downlink control channel PDCCH monitoring period corresponding to the first DCI is a first PDCCH monitoring period
  • the PDCCH monitoring period corresponding to the second DCI is a second PDCCH monitoring period
  • the first PDCCH monitoring period and the second PDCCH monitoring period are The PDCCH monitoring period is different.
  • the content, format, or purpose indicated in the DCIs transmitted at the two times may be different.
  • the DMRS information transmitted twice is different.
  • the second information includes a second DCI
  • the first condition further includes at least one of the following conditions:
  • a format of the second DCI is a second format
  • the search space where the second DCI is located is a second search space
  • the physical downlink control channel PDCCH monitoring period corresponding to the second DCI is a second PDCCH monitoring period.
  • the terminal device may determine whether to discard the second information according to the attributes of the second information itself, without considering the attributes of the first information.
  • a time slot in which the last symbol of the first DMRS is located or a time slot in which the first symbol of the first DMRS is located is defined as a first time slot, and the time domain of the first channel is The time slot where the resource is located is a second time slot, and the time slot where the time domain resource of the second channel is located is a third time slot.
  • the distance between the start time of the first time slot and the start time of the second time slot is less than or equal to 14 * B1 symbols, or less than or equal to 3 * (subcarrier interval index + 1) time slots ,
  • the distance between the start time of the time domain resource of the first DMRS and the start time of the time domain resource of the first channel is less than or equal to B2 symbols, which can make the distance between the first DMRS and the first channel shorter.
  • the channel situation obtained by the receiver using the first DMRS for channel estimation is more similar to the channel situation experienced by the first channel, and the demodulation performance of the first channel can be improved at the receiver.
  • the distance between the start time of the second time slot and the third time slot is less than or equal to 14 * B3 symbols, or less than or equal to 3 * (subcarrier interval index + 1) time slots, or the first channel
  • the distance between the start time of the time domain resource and the start time of the time domain resource of the second channel is less than or equal to B4 symbols, so that the first channel and the second channel can use the same DMRS for channel estimation.
  • the second information is received.
  • the first condition further includes at least one of the following conditions:
  • the precoding information and layer information indicated by the second information are different from the precoding information and layer information indicated by the first information;
  • the first information is also used to indicate time-frequency resources of the first channel
  • the second information is also used to indicate time-frequency resources of the second channel
  • the frequency domain resources of the second channel indicated by the second information It is different from the frequency domain resource of the first channel indicated by the first information.
  • a communication device configured to execute the foregoing first aspect or the method in any possible implementation manner of the first aspect.
  • the communication apparatus may include a module for executing the method in the first aspect or any possible implementation manner of the first aspect.
  • a communication device includes a processor, and the processor is connected to a memory.
  • the memory is used to store instructions.
  • the processor is used to execute the instructions stored in the memory.
  • the execution of the instructions stored in the memory causes the processor to execute the method in the first aspect or any possible implementation manner of the first aspect.
  • a computer-readable storage medium stores instructions, and when the instructions are run on a computer, the computer is caused to execute the first aspect or any possible first aspect Method in implementation.
  • a computer program product includes a computer program, and when the computer program is executed, implements the method of the first aspect or any possible implementation manner of the first aspect.
  • FIG. 1 is a schematic structural diagram of a mobile communication system applicable to an embodiment of the present application.
  • FIG. 2 is a schematic flowchart of an information processing method according to an embodiment of the present application.
  • FIG. 3 is a possible schematic diagram of a time domain resource of a first DMRS and a time domain resource of a second DMRS.
  • FIG. 4 is another possible schematic diagram of a time domain resource of a first DMRS and a time domain resource of a second DMRS.
  • FIG. 5 is a schematic diagram of a specific scenario applicable to an information processing method according to an embodiment of the present application.
  • FIG. 6 is a schematic diagram of time domain resources of a first channel, a second channel, and a third channel in an embodiment of the present application.
  • FIG. 7 is a schematic diagram of time domain resources of another first channel, a second channel, and a third channel in an embodiment of the present application.
  • FIG. 8 is a schematic diagram of time domain resources of another first channel, a second channel, and a third channel according to an embodiment of the present application.
  • FIG. 9 is a schematic block diagram of a communication device according to an embodiment of the present application.
  • FIG. 10 is a schematic block diagram of another communication device according to an embodiment of the present application.
  • FIG. 1 is a schematic structural diagram of a mobile communication system applicable to an embodiment of the present application.
  • the mobile communication system includes a network device 101 and a terminal device 102.
  • the mobile communication system may be a long term evolution (LTE) system, a WiFi system, a 5th generation (5G) mobile communication system, or a future evolved mobile communication system. This application does not limit the mobile communication system applied in the embodiments.
  • LTE long term evolution
  • WiFi WiFi
  • 5G 5th generation
  • future evolved mobile communication system This application does not limit the mobile communication system applied in the embodiments.
  • the terminal device 102 in the embodiment of the present application may also be referred to as a terminal, a user equipment (UE), a mobile station (MS), a mobile terminal (MT), and the like.
  • the terminal device can be a mobile phone, a tablet, a computer with a wireless transceiver function, a virtual reality (VR) terminal device, an augmented reality (AR) terminal device, or an industrial control device.
  • VR virtual reality
  • AR augmented reality
  • Wireless terminals in self-driving wireless terminals in remote surgery, wireless terminals in smart grid, wireless terminals in transportation safety Terminals, wireless terminals in smart cities, wireless terminals in smart homes, and the like.
  • the embodiment of the present application does not limit the specific technology and specific device form adopted by the terminal device.
  • the network device 101 is a device that is deployed in a wireless access network to provide a wireless communication function for a terminal device.
  • Network equipment can include various forms of base stations, macro base stations, micro base stations (also called small stations), relay stations, access points, new wireless controllers (NR controllers), and centralized network elements (centralized units) RF remote module, distributed network unit (distributed unit), transmission and reception point (TRP) or transmission point (TP), or any other wireless access device, but the embodiment of this application is not limited to this.
  • the names of devices having a base station function may be different.
  • the network device may be an access point (AP) in a wireless local area network (WLAN), or an evolved NodeB (eNB or eNodeB) in an LTE system. It is a next generation base station (gNB) in a 5G mobile communication system or a base station in a future mobile communication system.
  • AP access point
  • WLAN wireless local area network
  • eNB evolved NodeB
  • gNB next generation base station
  • 5G mobile communication system a base station in a future mobile communication system.
  • the embodiment of the present application does not limit the specific technology and specific device form adopted by the wireless access network device.
  • time-frequency resources can be understood as “time-domain resources and / or frequency-domain resources”.
  • the time domain resource can be one or more symbols or one or more time slots.
  • Frequency domain resources can be one or more resource blocks (RBs), one or more resource elements (REs), one or more carriers, or one or more carriers.
  • a cell may also be one or more partial bandwidth (BWP).
  • the symbols in the embodiments of the present application refer to time-domain symbols, which can be orthogonal frequency division multiplexing (OFDM) symbols, or discrete Fourier transform extended orthogonal frequency division multiplexing. spread OFDM (DFTS-OFDM) symbols.
  • OFDM orthogonal frequency division multiplexing
  • DFTS-OFDM discrete Fourier transform extended orthogonal frequency division multiplexing. spread OFDM
  • the reference signal includes an uplink reference signal and a downlink reference signal.
  • the uplink reference signal may be a demodulation reference signal (DMRS), a phase-tracking reference signal (PT-RS), or a sounding reference signal (SRS), or Other reference signals are not limited in this embodiment of the present application.
  • the uplink DMRS can be further divided into a physical uplink shared channel (PUSCH) DMRS and a physical uplink control channel (PUCCH) DMRS.
  • the downlink reference signal may be a demodulation reference signal DMRS, or a phase tracking reference signal PT-RS, or a channel-state information reference signal (CSI-RS), or a synchronization sequence or a physical broadcast channel block (synchronization sequence).
  • the downlink DMRS is further divided into a physical downlink shared channel (PDSCH) DMRS, a physical downlink control channel (PDCCH) DMRS, and a physical broadcast channel (PBCH) DMRS.
  • PDSCH physical downlink shared channel
  • PDCH physical downlink control channel
  • PBCH physical broadcast channel
  • the reference signal as a DMRS as an example. It can be understood that the reference signal may be different in different data transmission scenarios.
  • the method in the embodiment of the present application is applicable to uplink information transmission and downlink information transmission, where the uplink information is uplink data and / or uplink control information, and the downlink information is downlink data and / or downlink control information.
  • the following describes the uplink information transmission and the downlink information transmission, respectively.
  • transmission methods for the transmission of uplink information there are two transmission methods for the transmission of uplink information, one of which is a transmission method based on dynamic scheduling, and the other is a transmission method based on configured grant (CG). It can be understood that the transmission mode based on configuration authorization can also be called a transmission mode based on no dynamic scheduling.
  • CG configured grant
  • the network device sends scheduling information to the terminal device, and the scheduling information may be used to indicate time-frequency resources for transmitting uplink reference signals, and / or time-frequency resources for transmitting uplink information.
  • the scheduling information based on the dynamic scheduling transmission mode is downlink control information (DCI) as an example, but the embodiment of the present application is not limited thereto.
  • DCI downlink control information
  • the network device may send DCI to the terminal device, where the DCI carries indication information indicating time-frequency resources of the DMRS, and / or, the DCI carries time-domain resources indicating the PUSCH , Frequency domain resources, and modulation information.
  • the terminal device may determine on which time-frequency resource the DMRS and / or PUSCH channel is transmitted.
  • the network device can send configuration information to the terminal device.
  • the configuration information is used to configure uplink transmission without dynamic authorization, so that the network device can send some or all of the transmission resources by sending the configuration information.
  • the configuration information may be high-level signaling, and the high-level signaling may be radio resource control (RRC) signaling or medium access control (MAC) control element (CE).
  • RRC radio resource control
  • MAC medium access control
  • the transmission of configuration authorization can also be referred to as scheduling-free transmission, also known as transmission without dynamic authorization (transmission without dynamic grant), and also known as grant-free (GF) transmission. It can be called autonomous uplink (UL) transmission, it can also be called configured grant uplink transmission (CGL), and it can also be called contention-based transmission. This is not limited.
  • the transmission modes based on configuration authorization can be divided into a Type 1 transmission mode and a Type 2 transmission mode.
  • the two transmission modes are described in detail below.
  • Type 1 transmission mode can also be called license-free transmission mode.
  • all transmission parameters are configured by configuration information.
  • the transmission parameters include information such as time domain resource allocation, frequency domain resource allocation, modulation and coding mode for uplink information transmission.
  • the terminal device does not need to wait for the scheduling information or authorization information sent by the network device through DCI, and can send the uplink reference signal and / or uplink information through the configured resources that can be used for uplink information transmission.
  • the type 2 transmission method can also be called a semi-persistent scheduling (SPS) transmission method.
  • SPS semi-persistent scheduling
  • some transmission parameters are configured by configuration information, and the remaining transmission parameters are indicated by scheduling information or authorization information in DCI.
  • the transmission parameters indicated by the scheduling information may include information such as time domain resource allocation, frequency domain resource allocation, and modulation and coding mode for uplink information transmission.
  • the transmission parameters configured by the configuration information may include resource period, resource configuration type, and modulation and coding mode table .
  • the terminal device may also receive the scheduling information sent by the network device through the DCI, and then send an uplink reference signal and / or uplink information to the network device according to the configuration information and the scheduling information.
  • the network device does not need to send scheduling information to indicate the terminal device in each uplink transmission. That is, after the terminal device receives the scheduling information for activating the type 2 transmission method once, the transmission parameters indicated by the scheduling information can be applied to subsequent uplink transmissions.
  • the terminal device may also receive scheduling information for deactivating the type 2 transmission mode. After receiving the scheduling information, the terminal device will stop this type 2 transmission, and the terminal device may not perform type 2 transmission again until it receives the scheduling information for activating the type 2 transmission method again.
  • the scheduling information may include one or more bit fields, and the value of the one or more bit fields may indicate whether the scheduling information is used for deactivation type 2 transmission or activation type 2 transmission.
  • the network device may send high-level signaling to the terminal device in advance.
  • the high-level signaling may carry configuration information indicating DMRS time-frequency resources, and / or may carry instructions.
  • Configuration information such as time domain resources, frequency domain resources, and modulation methods of the PUSCH.
  • the terminal device may determine resources for transmitting DMRS and / or PUSCH resources according to high-level signaling received in advance, and perform transmission of DMRS and / or PUSCH channels on the determined resources.
  • the network device may also send DCI to the terminal device, and the terminal device determines a resource for transmitting DMRS and / or a resource for transmitting PUSCH according to high-level signaling and the DCI, and determines the determined resource.
  • DMRS and / or PUSCH channels are transmitted on the network.
  • the uplink information may also be information carried in the PUCCH.
  • the behavior of the terminal device when the uplink information is the information carried in the PUCCH may refer to the behavior of the terminal device when the uplink information is the information carried in the PUSCH.
  • the uplink information is the information carried in the PUSCH.
  • transmission methods for transmission of downlink information there are two transmission methods for transmission of downlink information, one of which is a transmission method based on dynamic scheduling, and the other can be a transmission method based on semi-persistent scheduling. It can be understood that the transmission mode of semi-persistent scheduling can also be referred to as the transmission mode of semi-static scheduling.
  • the network device sends DCI to the terminal device.
  • the DCI may be used to indicate time-frequency resources for transmitting downlink reference signals, and / or, it is used to indicate time-frequency resources for transmitting downlink information. .
  • the network device may send DCI to the terminal device.
  • the DCI may carry indication information indicating time-frequency resources of the DMRS, and / or carry time-frequency resources of the PDSCH, Indication information such as modulation method.
  • the terminal device may determine on which time-frequency resource the DMRS and / or PDSCH is received.
  • the terminal device may perform channel estimation according to the DMRS, and demodulate and decode downlink information transmitted by the PDSCH based on the channel estimation result and the DCI.
  • the network device can send configuration information to the terminal device, and the configuration information is used to configure downlink semi-persistent scheduling transmission. In this way, the network device can send the semi-persistently scheduled resource period, The resource configuration type, modulation and coding mode table, etc. are configured to the terminal device.
  • the terminal device may also receive the scheduling information sent by the network device through DCI, and then receive the downlink reference signal and / or the downlink information sent by the network device according to the configuration information and the scheduling information.
  • the network device does not need to send scheduling information to the terminal device in each downlink transmission. That is, after the terminal device receives the scheduling information for activating the semi-persistent scheduling once, the transmission parameters indicated by the scheduling information can be applied to subsequent uplink transmissions.
  • the terminal device may further receive scheduling information for deactivating the semi-persistent scheduling. After receiving the scheduling information, the terminal device will stop the semi-persistent scheduling transmission, and the terminal device may not perform the semi-persistent scheduling transmission again until receiving the scheduling information for activating the semi-persistent scheduling again.
  • the scheduling information may include one or more bit fields, and the value of the one or more bit fields may indicate whether the scheduling information is used to deactivate semi-persistent scheduling or to activate semi-persistent scheduling. .
  • a network device may send high-level signaling to a terminal device in advance, and the high-level signaling may carry configuration information of time domain resources and / or frequency domain resources occupied by the DMRS, and And / or carrying configuration information indicating time domain resources, frequency domain resources, and modulation modes occupied by the PDSCH.
  • the network device may also send DCI to the terminal device, and the terminal device determines on which resource to receive the DMRS and / or PDSCH channel according to the high-level signaling and DCI.
  • the downlink information may also be information carried in the PDCCH.
  • the behavior of the terminal device when the downlink information is the information carried in the PDCCH may refer to the behavior of the terminal device when the downlink information is the information carried in the PDSCH.
  • the PDSCH For brevity, details are not described herein again.
  • the transmission of uplink information for a terminal device, it can support both a dynamic scheduling-based transmission mode and a configuration authorization-based transmission mode, or it can only support dynamic scheduling-based transmission modes.
  • One of the transmission mode or the transmission mode based on configuration authorization is not limited in this embodiment of the present application.
  • the transmission of downlink information for a terminal device, it can support both the dynamic scheduling based transmission mode and the semi-persistent scheduling transmission mode, or it can only support the dynamic scheduling based transmission mode or the semi-persistent scheduling transmission mode.
  • this embodiment of the present application does not limit this.
  • the terminal device may also support a transmission mode based on configuration authorization, that is, all transmission parameters are configured to the terminal device by high-level signaling.
  • configuration authorization that is, all transmission parameters are configured to the terminal device by high-level signaling.
  • FIG. 2 shows a schematic flowchart of an information processing method 200 according to an embodiment of the present application.
  • the processing method 200 provides an information processing method: when the first DMRS indicated by the first information and the second DMRS indicated by the second information overlap on time-frequency resources, but the other information indicated by the first information and the second information When some parameters are different, the terminal device discards the second information to avoid the terminal device's behavior being wrong or unpredictable.
  • a terminal device and a network device are taken as the execution subjects of the execution processing method 200 as an example to describe the processing method 200.
  • the execution body of the execution method 200 may also be a chip corresponding to a terminal device and a chip corresponding to a network device.
  • FIG. 2 shows the steps or operations of the information processing method, but these steps or operations are merely examples, and the embodiment of the present application may also perform other operations or a modification of each operation in FIG. 2.
  • each step in FIG. 2 may be performed in a different order than that presented in FIG. 2, and it is possible that not all operations in FIG. 2 are to be performed.
  • the network device sends first information to the terminal device, where the first information is used to indicate time-frequency resources of the first DMRS.
  • the terminal device receives the first information sent by the network device.
  • the first information may also be used to indicate a time domain resource of the first channel.
  • the first information may explicitly indicate the time-frequency resource of the first DMRS, or implicitly indicate the time-frequency resource of the first DMRS, which is not limited in this embodiment of the present application.
  • the first information may include a dedicated information field or a bit field for indicating the time-frequency resource of the first DMRS.
  • the first information field or the first bit field may be used to indicate time domain resource information of the first DMRS, such as symbol information and / or time slot information; the first information field or the first bit field may also be used to indicate Frequency domain resource information of the first DMRS, such as BWP, RB, and RE information.
  • the terminal device may determine the first DMRS by using information in other information fields or bit fields.
  • Time-frequency resource information Exemplarily, the time domain resources of the first DMRS are pre-defined or high-level signaling configured after the first channel, or before the first channel, or the A1 symbol in the first channel, and A1 is a positive integer; or The frequency domain resource of the first DMRS is above the first channel, or below the first channel, or an A2 RB in the first channel, and A2 is a positive integer.
  • the time domain resources of the first DMRS are pre-defined or configured by high-level signaling at the A3 symbol of the first time slot, and A3 is a positive integer; or the frequency domain resources of the first DMRS are at the A4 of the first time slot RBs, A4 is a positive integer, the first time slot may be the time slot where the first channel is located, or the adjacent time slot where the first channel is located, or A5 times the time slot where the first channel is located Slot time slot, A5 is a positive integer.
  • the terminal device may first determine a time domain resource of the first channel, and then determine a time frequency resource of the first DMRS by using a predefined rule or a rule configured by higher layer signaling.
  • the first channel is, for example, one of PDSCH, PUSCH, PUCCH, and PDCCH.
  • the time domain resource of the first DMRS may be within the time-frequency resource of the first channel or outside the time-frequency resource of the first channel, which is not limited in this embodiment of the present application.
  • step 210 may also be replaced by: the terminal device may also determine the time-frequency resource of the first DMRS in a predefined manner. It can be understood that at this time in the following steps 220 and 230, "the time-frequency resource of the first DMRS indicated by the first information" may be replaced with “the time-frequency resource of the first DMRS defined in advance", The "time-frequency resource of the first channel” may be replaced with "the time-frequency resource of the first channel defined in advance”.
  • the network device sends the second information to the terminal device.
  • the terminal device receives the second information sent by the network device.
  • the second information is used to indicate a time-frequency resource of the second DMRS, and the time-frequency resource of the second DMRS overlaps with the time-frequency resource of the first DMRS.
  • the overlap of resources may refer to a partial overlap of resources or a complete overlap of resources.
  • the time-frequency resource overlap may specifically mean that both time-domain and frequency-domain resources overlap, it may also mean that only time-domain resources overlap, and also that only frequency-domain resources overlap.
  • FIG. 3 shows a schematic diagram in which the time domain resources of the first DMRS and the time domain resources of the second DMRS partially overlap but the frequency domain resources do not overlap
  • FIG. 3 shows a schematic diagram in which the time domain resources of the first DMRS and the time domain resources of the second DMRS partially overlap but the frequency domain resources do not overlap
  • the first DMRS and the second DMRS in FIG. 3 may both be downlink DMRS or both are uplink DMRS
  • the first DMRS and the second DMRS in FIG. 4 may both be downlink DMRS, or both Uplink DMRS.
  • the manner in which the second information is used to indicate the time-frequency resources of the second DMRS may be referred to the manner in which the first information is used to indicate the time-frequency resources of the first DMRS.
  • the first information is used to indicate the time-frequency resources of the first DMRS.
  • the second information may also be used to indicate time domain resources of the second channel, and the time domain resources of the second channel overlap with the time domain resources of the first DMRS.
  • the second channel is, for example, one of PDSCH, PUSCH, PUCCH, and PDCCH.
  • the time domain resources of the second channel overlap with the time domain resources of the second DMRS. In another optional embodiment, the time domain resources of the second channel do not overlap with the time domain resources of the second DMRS.
  • a time slot in which the last symbol of the first DMRS is located or a time slot in which the first symbol of the first DMRS is located is defined as a first time slot, and the time domain of the first channel is The time slot where the resource is located is a second time slot, and the time slot where the time domain resource of the second channel is located is a third time slot.
  • the distance between the start time of the first time slot and the start time of the second time slot is less than or equal to 14 * B1 symbols
  • B1 is an integer greater than or equal to 0.
  • the value of B1 can be one of 0, 1, 2, and 3.
  • the distance between the start time of the first time slot and the start time of the second time slot is less than or equal to 3 * (subcarrier interval index + 1) time slots.
  • a subcarrier interval of 15 kHz corresponds to a subcarrier interval index of 0
  • a subcarrier interval of 30kHz corresponds to a subcarrier interval index of 1
  • a subcarrier interval of 60kHz corresponds to a subcarrier interval of 2,120kHz
  • the corresponding subcarrier interval index is 3.
  • the subcarrier interval and the index number may also have other corresponding relationships, which are not limited in the embodiment of the present application.
  • the distance between the start time of the first time slot and the start time of the second time slot is less than or equal to 14 * B1 symbols, or less than or equal to 3 * (subcarrier interval index + 1)
  • the time slot, or the distance between the start time of the time domain resource of the first DMRS and the start time of the time domain resource of the first channel is less than or equal to B2 symbols, which can make the distance between the first DMRS and the first channel
  • the spacing is small, so that the channel situation obtained by the receiver using the first DMRS for channel estimation is more similar to the channel situation experienced by the first channel, and the demodulation performance of the first channel can be improved at the receiver.
  • the distance between the start time of the second time slot and the start time of the third time slot is less than or equal to 14 * B3 symbols, and B3 is an integer greater than or equal to 0.
  • the value of B3 can be one of 0, 1, 2, and 3.
  • the distance between the start time of the second time slot and the start time of the third time slot is equal to 3 * (subcarrier interval index + 1).
  • the distance between the start time of the time domain resource of the first channel and the start time of the time domain resource of the second channel is less than or equal to B4 symbols
  • the subcarrier interval index is described above, and is not repeated here.
  • the distance between the start time of the second time slot and the third time slot is less than or equal to 14 * B3 symbols, or equal to 3 * (subcarrier interval index + 1), or the time domain of the first channel.
  • the distance between the start time of the resource and the start time of the time domain resource of the second channel is less than or equal to B4 symbols, so that the first channel and the second channel can use the same DMRS for channel estimation.
  • the first information includes first downlink control information DCI and the second information includes second DCI, or the first information includes first configuration information and the second information includes second DCI, or the first information includes a first DCI and the second information includes second configuration information.
  • transmission of uplink information may be performed based on at least one of a transmission method based on dynamic scheduling and a transmission method based on configuration authorization, and for transmission of downlink information, transmission based on dynamic scheduling may be performed.
  • At least one of the transmission mode and the transmission mode based on semi-persistent scheduling is used to transmit downlink information, which is not limited in the embodiment of the present application.
  • a transmission method based on dynamic scheduling a transmission method based on configuration authorization, and a transmission method based on semi-persistent scheduling
  • the first DCI is uplink scheduling information or downlink scheduling information
  • the second DCI is uplink scheduling information or downlink scheduling information
  • the first configuration information is uplink channel configuration information or downlink channel configuration information
  • the second configuration information is uplink channel Configuration information or downlink channel configuration information.
  • the first DCI and the first configuration information are in the same direction
  • the second DCI and the second configuration information are in the same direction.
  • the same direction refers to controlling information transmission in the same direction
  • the directions here include the uplink direction and the downlink direction.
  • the uplink direction refers to sending from the terminal device to the network device
  • the downlink direction refers to sending from the network device to the terminal device.
  • Possible scenario 1 is to perform uplink information transmission or downlink information transmission based on a dynamic scheduling transmission mode.
  • the first information includes first downlink control information DCI
  • the second information includes second DCI.
  • Possible scenario 2 is transmission of uplink information based on a dynamic scheduling-based transmission mode and a configuration authorization-based transmission mode. in particular,
  • the first information includes first configuration information
  • the second information includes second DCI, or
  • the first information includes the first configuration information and the first DCI
  • the second information includes the second DCI
  • the first information includes the first DCI
  • the second information includes the second configuration information
  • the first information includes the first DCI
  • the second information includes the second configuration information and the second DCI.
  • Possible scenario 3 is transmission of downlink information based on a dynamic scheduling-based transmission mode and a semi-persistent scheduling-based transmission mode. in particular,
  • the first information includes first configuration information and first DCI
  • the second information includes second DCI
  • the first information includes the first DCI
  • the second information includes the second configuration information and the second DCI.
  • Possible scenario 4 is transmission of downlink information based on a configuration authorization-based transmission mode and a semi-persistent scheduling-based transmission mode. in particular,
  • the first information includes first configuration information and first DCI
  • the second information includes second configuration information
  • the first information includes the first configuration information
  • the second information includes the second configuration information and the second DCI.
  • FIG. 5 shows a schematic diagram of a specific scenario applicable to an information processing method according to an embodiment of the present application.
  • the first information may indicate that the DMRS is transmitted on at least one symbol on the time unit n.
  • the first information may also be used to indicate that uplink or downlink information is transmitted on the time-frequency resource of the time unit n-1.
  • the second information may be specifically used to indicate that a DMRS is transmitted on at least one symbol of the time unit n.
  • the time unit on the time domain resource is a slot as an example, but this does not limit the embodiment of the present application.
  • a time unit may also be It is one or more time domain symbols, or it may be one or more time slots, or it may be one or more subframes.
  • the first information may indicate that a DMRS is transmitted on a symbol on the time slot n.
  • the first information may also be used to indicate that uplink or downlink information is transmitted on the time-frequency resource of time slot n-1.
  • the first information indicates that the DMRS is transmitted on the first symbol on the time slot n (that is, the first symbol after the time slot n-1).
  • the first information may also be used to instruct sending uplink information or receiving downlink information on the time-frequency resource of time slot n-1.
  • transmitting DMRS can also be understood as sending DMRS or receiving DMRS.
  • the second information may indicate that the DMRS is transmitted on the time-frequency resource of the time slot n.
  • the second information may not indicate that the DMRS is transmitted on the time-frequency resource of the time slot n, in other words, the second information may indicate that the DMRS is not transmitted on the time-frequency resource of the time slot n.
  • the first information may also indicate that the DMRS is transmitted on the second, or third, or other symbol in slot n.
  • the first information may indicate that uplink or downlink information is transmitted on the time-frequency resource of the time slot n-1.
  • the first information may also indicate that the DMRS is transmitted on the first symbol in the time slot n + 1.
  • the time sequence of receiving the first information and receiving the second information by the terminal device is not limited.
  • the terminal device may receive the second information after receiving the first information, or the first message after receiving the second information, or both the first information and the second information.
  • the embodiments of this application do not limit the time domain resource locations of the first channel and the second channel.
  • the start time of the time domain resource of the first channel may be before the start time of the time domain resource of the second channel, or the start time of the time domain resource of the first channel may be After the starting time, or the time domain resources of the first channel and the time domain resources of the second channel at least partially overlap.
  • the terminal device may discard the second information.
  • the terminal device when the terminal device discards the second information, it can be understood that the terminal device gives up transmitting the DMRS indicated by the second information, or the terminal device will not transmit the DMRS according to the second information, or the terminal device transmits the DMRS according to the first information, or The terminal device does not transmit the DMRS according to the second information.
  • the second information is also used to indicate a second channel, and the terminal device may discard the second information. It may also be understood that the terminal device abandons the transmission of the second channel indicated by the second information, or the terminal device will not Information will be transmitted on the second channel according to the second information, or the terminal device will transmit information on the second channel according to the first information. It can be understood that the terminal device discarding the second information is equivalent to the terminal device discarding the second DMRS and / or the second channel under certain conditions.
  • the terminal device when the first information indicates transmission of uplink information and the second information indicates transmission of downlink information, or when the first information indicates transmission of downlink information and the second information indicates transmission of uplink information, the terminal device discards the second information. information.
  • the terminal device when the time-frequency resource of the second channel indicated by the second information does not overlap with the time-frequency resource of the second DMRS, the terminal device discards the second information.
  • the time-frequency resource of the second channel overlaps with the time-frequency resource of the first DMRS. Because the first information indicates that the first DMRS is transmitted on the time-frequency resource of the second channel, when the second information does not indicate that the DMRS is transmitted on the time-frequency resource where the second channel is located, the first information and the second information will be inconsistent. At this time, the terminal device may discard the second information and follow the information indicated by the first information.
  • the terminal device when the time-frequency resource of the second DMRS indicated by the second information does not overlap with the first time unit, the terminal device discards the second information.
  • the time unit may be one or more time slots or one or more symbols.
  • the first time unit is a time unit in which the time-frequency resource of the second channel is located.
  • the terminal device may discard the first Two messages.
  • the terminal device when the second information is used to indicate time-frequency resources of the second DMRS, and the time-frequency resources of the second DMRS and the time-frequency resources of the first DMRS overlap, if the Under a condition, the terminal device discards the second information.
  • the time-frequency resource of the second DMRS overlaps with the time-frequency resource of the first DMRS, it is also necessary to satisfy that the information of the first DMRS and the second DMRS is the same, and / or that the The transmitted power of the information on the indicated first channel and the second channel indicated by the second information is the same, and / or it is satisfied on the first time unit indicated by the first information and the second time unit indicated by the second information
  • the transmission power of the information is the same, so that the terminal device can perform DMRS transmission according to the instructions of the first information and the second information.
  • the first time unit and the second time unit may be the same time unit, or may be different time units.
  • the terminal device may further determine the first Whether the information of the DMRS indicated by one information and the information of the DMRS indicated by the second information are the same.
  • the terminal device may further determine whether the transmission power of the time slot n-1 indicated by the first information and the transmission power of the time slot n indicated by the second information are the same.
  • the terminal device may further determine whether the transmission power of the first channel indicated by the first information and the transmission power of the second channel indicated by the second information are the same.
  • the terminal device reports that it does not support the ability to transmit two or more DMRSs, and the two or more DMRSs overlap in the time domain.
  • the terminal device receives the high-level signaling sent by the network device and configures that the terminal device cannot transmit two or more DMRSs, and the two or more DMRSs overlap in the time domain.
  • the terminal device may report the capability of supporting transmission of two or more DMRSs.
  • the frequency domain resources of the two or more DMRSs are in a serving cell, or in a partial bandwidth, or in multiple partial bandwidths of a serving cell, or in different uplinks, here
  • the uplink may be a supplemental uplink.
  • the first condition may include at least one of the following conditions: Option 1 to Option 3.
  • the partial bandwidth indication information indicated by the second information is different from the partial bandwidth indication information indicated by the first information.
  • the terminal device reports that it does not support the ability to transmit more than one partial bandwidth (BWP) in a serving cell at the same time.
  • BWP partial bandwidth
  • the terminal device receives high-level signaling sent by the network device and configures that the terminal does not support simultaneous transmission of more than one partial bandwidth in a serving cell.
  • the terminal device may report the ability to support transmission of more than one partial bandwidth at a time in a service cell.
  • the terminal device since multiple partial bandwidth indication information configured by high-level signaling corresponds to different partial bandwidths, if the time domain resources of the first DMRS and the time domain resources of the second DMRS overlap, the terminal device needs to have different BWPs at the same time.
  • Ability to transmit DMRS If the terminal device does not have the ability to transmit more than one BWP at the same time, then the terminal device cannot transmit two DMRSs at the same time. If the DMRS is transmitted according to the instructions of the first information and the second information, the terminal device behaves incorrectly, so the terminal device can discard the second information. Further, if the first information is inconsistent with the second information, the BWP transmitting the DMRS twice before and after will be changed, then the DMRS corresponding to the first channel cannot be used for information demodulation of the second channel.
  • Option 2 The antenna port information indicated by the second information is different from the antenna port information indicated by the first information.
  • the DMRS corresponding to different antenna port numbers will correspond to different precoding matrices.
  • DMRS corresponding to different antenna port numbers may also correspond to time-frequency resources of different DMRS. Therefore, when the antenna port information indicated by the second information is different from the antenna port information indicated by the first information, it indicates that the first DMRS and the second DMRS are different. In the case where the first DMRS and the second DMRS time-frequency resources overlap, the terminal device cannot transmit two DMRSs at the same time. If the transmission is instructed according to the first information and the second information, the terminal device will behave incorrectly, so the terminal device can discard the first Two messages.
  • the DMRS sequence initialization (DMRS sequence initialization) information indicated by the second information is different from the DMRS sequence initialization information indicated by the first information.
  • the DMRS sequence initialization information is a piece of information used to generate a DMRS sequence.
  • the sequence initialization c init of the DMRS may be determined according to formula (1):
  • l is the number of OFDM symbols of a DMRS in a slot
  • n SCID may be determined according to the DMRS sequence initialization information.
  • n SCID is 0 or 1. at this time, It can be determined according to high-level signaling parameters or predefined definitions. As an example, A positive integer with a value range of ⁇ 0 ... 65535 ⁇ .
  • the value of can be determined according to the DMRS sequence initialization information.
  • sequence initialization formula of the DMRS in the embodiments of the present application is not limited to the form of the above formula (1), for example, it may also be various modifications of the formula (1), and for example, Or the formula of n SCID , which is not limited in the embodiment of the present application. Understandably, the sequence initialization formula for DMRS contains the formula Or n SCID , all belong to the protection scope of the embodiments of the present application.
  • the terminal device when the initialization of the second DMRS sequence indicated by the second information is different from the initialization of the first DMRS sequence indicated by the first information, according to a second DMRS sequence initialization formula and a first DMRS sequence initialization formula Two completely different DMRS signals are generated. Because the time-frequency resources of the first DMRS and the second DMRS overlap, and the terminal device cannot transmit two different DMRSs at the same time, if the transmission is instructed according to the first information and the second information, the terminal device will behave incorrectly, so the terminal device can discard the first Two messages.
  • the first information includes the first DCI and the second information includes the second DCI, wherein the DCI format in the first DCI and the second DCI is The identifiers (for DCI formats) are all 0; or,
  • the first information includes the first configuration information
  • the second information includes the second DCI.
  • the DCI format identifier in the second DCI is 0, and the first configuration information is used to configure no dynamics.
  • the second information includes the second configuration information
  • the first information includes the first DCI.
  • the DCI format identifier in the first DCI is 0, and the second configuration information is used to configure a non-dynamic authorization. Upstream transmission.
  • setting the DCI format identifier of the DCI to 0 indicates that the DCI is used to indicate transmission of uplink information.
  • the DCI format identifier may occupy one bit in the DCI, which is not limited in this embodiment of the present application.
  • the first configuration information here may be high-level signaling, for example, it may be a configured authorized configuration (ConfiguredGrantConfig) for configuring uplink transmission without dynamic authorization. Without dynamic authorization, it can be understood as uplink transmission that does not need to be scheduled through DCI every time.
  • ConfiguredGrantConfig configured authorized configuration
  • the terminal device discards the second information.
  • the first condition described above may further include at least one of Option 4 to Option 7.
  • the uplink (uplink, UL) and supplementary uplink (supplementary uplink) (SUL) indication information indicated by the second information is different from the uplink and supplementary uplink indication information indicated by the first information.
  • the UL / SUL instruction information is introduced in the DCI or configuration information used to indicate the uplink information transmission, and can be used to indicate that the PUSCH is sent on the UL, or that the PUSCH is sent on the SUL.
  • the configuration information may be first configuration information and / or second configuration information.
  • the carrier frequency points corresponding to UL and SUL are different.
  • the terminal equipment can only transmit one DMRS in this cell. Therefore, when the time domain resources of the first DMRS and the second DMRS overlap, the terminal device cannot transmit the two DMRSs at the same time. If the transmission is instructed according to the first information and the second information, the terminal device behaves incorrectly. Therefore, the terminal device The second information may be discarded.
  • the frequency hopping information indicated by the second information is different from the frequency hopping information indicated by the first information
  • frequency hopping information is introduced into the DCI or configuration information for indicating uplink information transmission, and the frequency hopping information may be a frequency hopping flag.
  • a frequency hopping flag of 1 indicates that frequency hopping is performed, and a frequency hopping flag of 0 indicates that frequency hopping is not performed. If frequency hopping is instructed, the frequency domain resources where the information is located are changed one or more times during an information transmission. If it is indicated that frequency hopping is not performed, the frequency domain resources where the information is located remain unchanged during an information transmission.
  • the terminal device when the first information indicates that frequency hopping is performed when the first DMRS transmission is performed, and the second information indicates that frequency hopping is not performed when the second DMRS transmission is performed, it is equivalent to that the frequency domain resources where the two DMRS transmissions are located are different.
  • the terminal device cannot transmit two DMRSs at the same time. If the transmission of the DMRS according to the first information and the second information indicates that the terminal device behaves incorrectly, the terminal device can discard the first DMRS. Two messages.
  • Option 6 The correspondence between the phase-tracking reference signal (PTRS) indicated by the second information and the demodulation reference signal DMRS and the correspondence between the PTRS and DMRS indicated by the first information (PTRS-DMRS association).
  • PTRS phase-tracking reference signal
  • the port number indication information used by the PTRS-DMRS association has changed, so that the best performance corresponding to the first DMRS and the second DMRS antenna port is different, then it is proved that the spatial channel during the transmission of the first information and the second information at this time Has changed.
  • the antenna port with the best performance during the transmission of the first DMRS indicated by the first information is different from the antenna port with the best performance during the transmission of the second DMRS indicated by the second instruction information.
  • the first DMRS and the second DMRS In the case of overlapping time-frequency resources, the terminal device cannot transmit two DMRSs at the same time, nor can it confirm the condition of the antenna port.
  • the transmission of DMRS according to the first and second information instructions may cause the terminal device to behave incorrectly, so the terminal device can discard the first Two messages.
  • Option 7 The closed-loop power control indication information indicated by the second information is different from the closed-loop power control indication information indicated by the first information.
  • closed-loop power control instruction information is introduced into the DCI or configuration information used to indicate uplink information transmission.
  • the closed-loop power control instruction information may be PUSCH-closed-loop-index or PUCCH-closed-loop-index, or it may be High-level signaling powerControlLoopToUse, used to indicate closed-loop power control.
  • the PUSCH-closed-loop-index value can be 0 or 1.
  • the terminal equipment is configured with the power command accumulation mode (tpc-Accumulation)
  • TPC transmission power control
  • the power of the current transmission will be adjusted based on the power of the previous transmission; conversely, when the two closed transmissions are configured with different closed-loop power control indication information, the power of the current transmission will not be transmitted in the previous transmission
  • the power is adjusted on the basis of power, but is adjusted based on the power of the previous transmission of the same closed-loop power control instruction information.
  • one of the first information and the second information indicates the first closed-loop power control instruction information
  • the other indicates the second closed-loop power control instruction information, which is equivalent to different power adjustment benchmarks for two information transmissions.
  • a sudden change in the transmission power of the two information transmissions will degrade the performance of the information transmission, so the terminal device can discard the second information.
  • Option 8 The transform precoder information indicated by the second information is different from the transform precoder information indicated by the first information.
  • conversion precoder information may be introduced into the DCI or configuration information used to indicate the transmission of uplink information.
  • the converted precoder information can correspond to different waveforms, such as OFDM waveforms, single-carrier frequency-division multiple access (SC-FDMA) waveforms, among which the SC-FDMA waveform can be called PUSCH with transform Precoder.
  • SC-FDMA single-carrier frequency-division multiple access
  • the terminal device when the first information indicates the first DMRS transmission, it corresponds to the first converted precoder information (such as an OFDM waveform), and the second information indicates the second DMRS transmission corresponds to the second converted precoder information (such as SC- FDMA waveform), it is equivalent to different waveforms corresponding to two DMRS transmissions.
  • the terminal device When the first DMRS and the second DMRS time-frequency resources overlap, the terminal device cannot transmit two DMRS with different waveforms at the same time. If the DMRS is transmitted according to the first information and the second information, the terminal device will behave incorrectly. The device may discard the second information.
  • the serving cell indicated by the first information is the same as the serving cell indicated by the second information, and / or, the BWP indication information indicated by the first information and the BWP indication indicated by the second information If the information is the same, and / or the UL / SUL indication information indicated by the first information is the same as the UL / SUL indication information indicated by the second information, it can be further determined whether the first information and the second information satisfy the condition Option 8.
  • the method 200 further includes: the terminal device sends a third channel, where the third channel is used to carry configuration authorization Uplink transmission.
  • the terminal device discards the second information.
  • the first condition described above may further include at least one of the following conditions Option 9 to Option 11.
  • the time domain resource of the third channel is between the time domain resource of the first channel and the time domain resource of the second channel.
  • FIG. 6 illustrates a time domain resource of a first channel, a second channel, and a third channel described in Option 9.
  • Option 10 The time domain resources of the third channel overlap with the time domain resources of the first channel.
  • FIG. 7 is a schematic diagram of time domain resources of a first channel, a second channel, and a third channel described in Option 10.
  • Option 11 The time domain resources of the third channel overlap with the time domain resources of the second channel.
  • FIG. 8 is a schematic diagram of time domain resources of a first channel, a second channel, and a third channel described in Option 11.
  • the terminal device has a configured authorized uplink transmission on some or all of the time domain resources between the time domain resources of the first channel and the time domain resources of the second channel, or the terminal device is in the time domain with the first channel
  • An uplink transmission with configuration authorization exists on the time domain resources with overlapping resources, or an uplink transmission with configuration authorization exists on the time domain resources where the terminal device overlaps with the time domain resources of the second channel, which may cause the uplink transmission power of the terminal device to change. Therefore, the uplink transmission power of the terminal device on the first channel is different from the uplink transmission power on the second channel, so that the first channel and the second channel cannot use the same DMRS for demodulation, that is, DMRS sharing cannot be performed.
  • the method 200 may further include: the terminal device receives a fifth channel, where the fifth channel is used to carry a half channel. Continuously scheduled downlink information, or used to carry scheduling-based downlink information.
  • the terminal device discards the second information.
  • the first condition may further include at least one of the following conditions: Option 12 to Option 14:
  • the time domain resource of the fifth channel is between the time domain resource of the first channel and the time domain resource of the second channel. Specifically, at this time, the time domain position relationship between the fifth channel, the first channel, and the second channel is similar to the time domain position relationship between the third channel, the first channel, and the second channel in FIG. 6, and reference may be made to FIG. 6. The description is not repeated here.
  • Option 13 The time domain resources of the fifth channel overlap with the time domain resources of the first channel. Specifically, at this time, the time domain position relationship between the fifth channel, the first channel, and the second channel is similar to the time domain position relationship between the third channel, the first channel, and the second channel in FIG. 7, and reference may be made to FIG. 7. The description is not repeated here.
  • Option 14 The time domain resources of the fifth channel overlap the time domain resources of the second channel. Specifically, at this time, the time domain position relationship between the fifth channel, the first channel, and the second channel is similar to the time domain position relationship between the third channel, the first channel, and the second channel in FIG. 8, and reference may be made to FIG. 8. The description is not repeated here.
  • the serving cell where the first channel, the second channel, and the fifth channel are located is a first serving cell.
  • the first serving cell includes an uplink time and a downlink time at different times.
  • the uplink time includes at least one symbol
  • the downlink time includes at least one symbol.
  • the uplink time and the downlink time may be a high-level signaling configuration or predefined.
  • the BWP where the first channel, the second channel, and the fifth channel are located is the first BWP.
  • the different times in the first BWP include an uplink time and a downlink time.
  • the uplink time includes at least one symbol
  • the downlink time includes at least one symbol.
  • the uplink time and the downlink time may be a high-level signaling configuration or predefined.
  • the terminal device has downlink information on some or all of the time domain resources between the time domain resources of the first channel and the time domain resources of the second channel, or in a time domain that overlaps with the time domain resources of the first channel If downlink information exists on the resource, or if the terminal device has downlink information on the time-frequency resource that overlaps with the time-domain resource of the second channel, the uplink transmission power of the terminal device may change, causing the terminal device to uplink on the first channel.
  • the transmission power is different from the uplink transmission power on the second channel, so that the first channel and the second channel cannot use the same DMRS for demodulation, that is, DMRS sharing cannot be performed.
  • the downlink information may be downlink information based on semi-persistent scheduling, or may be downlink information based on scheduling, which is not limited in this embodiment of the present application.
  • both the first channel and the second channel may use the scheduling-based transmission mode to transmit uplink information, or the first channel and the second channel may be separately adopted.
  • the uplink information is transmitted based on the scheduling-based transmission mode and the configuration-authorization-based transmission mode, which is not limited in this embodiment of the present application.
  • the first information includes the first DCI and the second information includes the second DCI, where the first DCI and the DCI identifier in the second DCI Both are 1; or,
  • the first information includes the first configuration information
  • the second information includes a second DCI.
  • the DCI format identifier in the second DCI is 1, and the first configuration information is used to configure downlink semi-continuous scheduling. Transmission; or,
  • the second information includes the second configuration information
  • the first information includes the first DCI
  • a DCI format identifier in the first DCI is 1
  • the second configuration information is used to configure downlink semi-continuous scheduling. transmission.
  • a DCI format identifier of the DCI of 1 indicates that the DCI is used to indicate transmission of downlink information.
  • the terminal device discards the second information.
  • the first condition described above further includes at least one of the following conditions: Option 15 to Option 17.
  • the transmission configuration indication information indicated by the second information is different from the transmission configuration indication information indicated by the first information
  • transmission configuration instruction information (Transmission Configuration Indication (TCI)) is introduced into the DCI or configuration information used to indicate the transmission of uplink information.
  • TCI Transmission Configuration Indication
  • the indication information of different TCI corresponds to different reference signals. This is because the terminal device assumes that the current reference signal is the reference signal indicated in the TCI.
  • the second information indicates the second DMRS transmission and indicates that the corresponding TCI is the second TCI, it is equivalent to two DMRS differences.
  • the terminal device cannot transmit two DMRSs at the same time. If the DMRS transmission is instructed according to the first information and the second information, the terminal device will behave incorrectly. ⁇ ⁇ Second information.
  • Option 16 physical resource block (PRB) binding size indication (bundling) indicator indicated by the second information and physical resource block binding size indication (PRB) bundling size indicated by the first information indicator)
  • PRB physical resource block
  • physical resource block binding size indication information is introduced into the DCI or configuration information used to indicate uplink information transmission, and different physical resource block binding size indication information corresponds to different reference signal usage methods.
  • the terminal device can use the physical resource block binding size as the minimum granularity for channel estimation using the reference signal.
  • the second information indicates the second DMRS transmission and indicates the physical resource block binding.
  • the fixed size indication information is the second physical resource block binding size indication information, which is equivalent to that the processing method of the DMRS is different twice.
  • the terminal device cannot perform different processing on the two DMRSs at the same time to obtain the channel estimation result. If the DMRS is instructed according to the first information and the second information, the terminal will be caused The device behaves incorrectly, so the end device can discard the second information.
  • Option 17 The frequency hopping information indicated by the second information is different from the frequency hopping information indicated by the first information.
  • frequency hopping information is introduced into the DCI or configuration information for indicating uplink information transmission, and the frequency hopping information may be a frequency hopping flag frequency hopping flag.
  • a Frequency flag of 1 indicates that frequency modulation is performed, and a frequency flag of 0 indicates that frequency hopping is not performed. If Frequency hopping flag indicates frequency hopping, the frequency domain resource where the information is located is changed one or more times during the time domain resource where the information is located. If it is indicated that frequency hopping is not performed, the frequency domain resources where the information is located remain unchanged during the time domain resources where the information is located.
  • the terminal device when the first information indicates that frequency hopping is performed when the first DMRS transmission is indicated, and the second information indicates that frequency hopping is not performed when the second DMRS transmission is performed, it is equivalent to that the frequency domain resources where the two DMRS transmissions are located are different.
  • the terminal device cannot transmit two DMRSs at the same time. If the DMRS transmission is instructed according to the first information and the second information, the terminal device will behave incorrectly, so the terminal device can discard ⁇ ⁇ Second information.
  • the method 200 further includes: the terminal device receives a fourth channel, where the fourth channel is used to carry semi-continuous scheduling downlink information .
  • the terminal device discards the second information.
  • the first condition above further includes at least one of the following conditions Option 18 to Option 20.
  • the time domain resource of the fourth channel is between the time domain resource of the first channel and the time domain resource of the second channel. Specifically, at this time, the time domain position relationship between the fourth channel, the first channel, and the second channel is similar to the time domain position relationship between the third channel, the first channel, and the second channel in FIG. 6, and reference may be made to FIG. 6. The description is not repeated here.
  • Option 19 The time domain resources of the fourth channel overlap with the time domain resources of the first channel. Specifically, at this time, the time domain position relationship between the fourth channel, the first channel, and the second channel is similar to the time domain position relationship between the third channel, the first channel, and the second channel in FIG. 7, and reference may be made to FIG. 7. The description is not repeated here.
  • Option 20 The time domain resources of the fourth channel overlap with the time domain resources of the second channel. Specifically, at this time, the time domain position relationship between the fourth channel, the first channel, and the second channel is similar to the time domain position relationship between the third channel, the first channel, and the second channel in FIG. 8, and reference may be made to FIG. 8. The description is not repeated here.
  • the terminal device has semi-continuous scheduling downlink information on some or all of the time domain resources between the time domain resources of the first channel and the time domain resources of the second channel, or the terminal device There is semi-persistently scheduled downlink information on the time domain resources with overlapping domain resources, or there is semi-persistently scheduled downlink information on the terminal equipment with time-frequency resources that overlap with the time domain resources of the second channel, which may cause the network equipment to send downlink
  • the power is changed, so that the downlink transmission power of the network device on the first channel is different from the downlink transmission power on the second channel, so that the first channel and the second channel cannot use the same DMRS for demodulation, that is, DMRS sharing cannot be performed .
  • the method 200 may further include: the terminal device sends a sixth channel, where the sixth channel is used to carry the uplink information of the configuration authorization, or Carries uplink information based on scheduling.
  • the terminal device may discard the second information.
  • the first condition may further include at least one of the following conditions: Option 21 to Option 23.
  • the time domain resource of the sixth channel is between the time domain resource of the first channel and the time domain resource of the second channel. Specifically, at this time, the time domain position relationship between the sixth channel, the first channel, and the second channel is similar to the time domain position relationship between the third channel and the first channel and the second channel in FIG. 6, which can be referred to FIG. 6 The description is not repeated here.
  • Option 22 The time domain resources of the sixth channel overlap with the time domain resources of the first channel. Specifically, at this time, the time domain position relationship between the sixth channel, the first channel, and the second channel is similar to the time domain position relationship between the third channel, the first channel, and the second channel in FIG. 7, and reference may be made to FIG. 7. The description is not repeated here.
  • Option 23 The time domain resources of the sixth channel overlap with the time domain resources of the second channel. Specifically, at this time, the time domain position relationship between the sixth channel, the first channel, and the second channel is similar to the time domain position relationship between the third channel and the first channel and the second channel in FIG. 8, and reference may be made to FIG. 8. The description is not repeated here.
  • the first channel, the second channel, and the sixth channel correspond to a same frequency band.
  • the serving cell where the first channel, the second channel, and the sixth channel are located is a first serving cell.
  • the first serving cell includes an uplink time and a downlink time at different times.
  • the uplink time includes at least one symbol
  • the downlink time includes at least one symbol.
  • the uplink time and the downlink time may be a high-level signaling configuration or predefined.
  • the BWP where the first channel, the second channel, and the sixth channel are located is a first BWP.
  • the different times in the first BWP include an uplink time and a downlink time.
  • the uplink time includes at least one symbol
  • the downlink time includes at least one symbol.
  • the uplink time and the downlink time may be a high-level signaling configuration or predefined.
  • the terminal device has uplink information on some or all of the time domain resources between the time domain resources of the first channel and the time domain resources of the second channel, or in a time domain that overlaps with the time domain resources of the first channel.
  • the transmission power is different from the downlink transmission power on the second channel, so that the first channel and the second channel cannot use the same DMRS for demodulation, that is, DMRS sharing cannot be performed.
  • the uplink information may be uplink information based on configuration authorization or uplink information based on scheduling, which is not limited in this embodiment of the present application.
  • both the first channel and the second channel may use the scheduling-based transmission mode to transmit uplink information, or the first channel and the second channel may be separately adopted.
  • the uplink information is transmitted based on the scheduling-based transmission mode and the configuration-authorization-based transmission mode, which is not limited in this embodiment of the present application.
  • the The terminal device discards the second information.
  • the first condition may further include at least one of the conditions Option 24 to Option 27.
  • the first DCI is scrambled with a first wireless network temporary identifier (RNTI)
  • the second DCI is scrambled with a second RNTI
  • the first RNTI is different from the second RNTI .
  • the current network device when the current network device generates DCI, it first scrambles using the RNTI corresponding to the DCI.
  • the terminal device can identify the format or content of the received DCI through the RNTI.
  • the NR system can also introduce different RNTIs for different service types or use scenarios.
  • the first RNTI corresponds to high reliability and low latency communication (URLLC) services
  • the second RNTI corresponds to enhanced mobile EMBB) service
  • the first RNTI corresponds to a high-speed scenario
  • the second RNTI corresponds to a low-speed scenario.
  • the RNTI when the RNTI is different, it can be considered that the content, format or purpose indicated in the DCI is different.
  • a high-speed scene refers to a high-speed moving scene
  • a low-speed scene refers to a low-speed moving scene.
  • the terminal device may further judge the importance of the information according to the RNTI, and further determine that the second information may be discarded.
  • the modulation and coding scheme (MCS) information in the DCI scrambled by the first RNTI corresponds to a first MCS table, and the first MCS table includes a piece of MCS information with a spectral efficiency of 0.0586.
  • the second RNTI is a type of RNTI other than the first RNTI, such as a cell radio network temporary identifier (C-RNTI).
  • the first MCS table may be Table 1 or Table 2 shown below. It can be seen that the MCS index corresponding to the spectral efficiency 0.0586 in Table 1 or Table 2 is 0. The above is only an example. In other examples, the MCS information including the spectral efficiency of 0.0586 may also be in other representations, which is not limited in this embodiment of the present application.
  • the value of q in Table 2 can be 1 or 2.
  • the first RNTI may be MCS-C-RNTI.
  • the above MCS-C-RNTI can indicate lower spectrum efficiency, that is, it may be applied to high-reliability transmission, so the DCI scrambled by the first RNTI can implicitly notify the terminal device that the information is important or urgent, so it is necessary Discard the second information, which includes the second DCI scrambled by the second RNTI.
  • the format of the first DCI is a first format
  • the format of the second DCI is a second format
  • the first format is different from the second format
  • different DCI formats represent that the DCI contains different indication information and / or corresponds to a different number of bits.
  • the NR system can also introduce different formats for different service types or usage scenarios.
  • the first format corresponds to URLLC services
  • the second format corresponds to eMBB services
  • the first format corresponds to high-speed scenarios
  • the second format corresponds to low-speed scenarios. Then when the formats are different, the content or purpose indicated in the DCI can be considered different.
  • the terminal device when the DCI formats of the first DCI and the second DCI are different, it indicates that the content or purpose indicated in the DCI transmitted twice is different. At this time, it can be considered that the DMRS information transmitted twice is different. In the case where the time-frequency resource of the second DMRS overlaps, the terminal device cannot transmit two DMRSs at the same time. If the DMRS is transmitted according to the instructions of the first information and the second information, the behavior of the terminal device will be wrong, so the terminal device can discard the second information. Optionally, the terminal device may further judge the importance of the information according to the DCI format, and further determines that the second information may be discarded.
  • the first format DCI is a DCI format with a number of bits less than or equal to C1.
  • C1 is a positive integer of 8 or more.
  • C1 is 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31 , 32, 33, 34, 35, 36, 37, 38, 39, 40.
  • the second DCI is a DCI format with a bit number greater than C1.
  • C1 is less than or equal to 40.
  • the search space where the first DCI is located is a first search space
  • the search space where the second DCI is located is a second search space
  • the first search space is different from the second search space.
  • different search spaces represent that the DCI contains different indication information and / or corresponds to a different number of bits.
  • the NR system can also introduce different search spaces for different service types or usage scenarios.
  • the first search space corresponds to the URLLC service (such as the user search space)
  • the second format corresponds to the eMBB service (such as the public search space)
  • the first search The space corresponds to a high-speed scene
  • the second search space corresponds to a low-speed scene. Then when the search spaces are different, it can be considered that the content or purpose indicated in the DCI is different.
  • the terminal device cannot transmit two DMRSs at the same time. If the DMRS transmission is instructed according to the first information and the second information, the terminal device will behave incorrectly. ⁇ ⁇ Second information.
  • the terminal device judges the importance of the information according to the search space, and further determines that the second information can be discarded.
  • the second DCI may correspond to the public search space
  • the first DCI may correspond to the user search space. Therefore, the first DCI corresponding to the user search space may implicitly notify the terminal device that the information is important or urgent, and therefore the second information needs to be discarded, and the second information includes the second DCI corresponding to the public search space.
  • the physical downlink control channel PDCCH monitoring period corresponding to the first DCI is a first PDCCH monitoring period
  • the PDCCH monitoring period corresponding to the second DCI is a second PDCCH monitoring period
  • the first PDCCH monitoring period is related to all The second PDCCH monitoring period is different.
  • different PDCCH monitoring periods represent whether the service corresponding to the PDCCH is delay sensitive.
  • the NR system can also introduce different PDCCH monitoring periods for different service types or usage scenarios.
  • the first PDCCH monitoring period corresponds to a URLLC service, and the first PDCCH monitoring period may be less than or equal to a first threshold; the second PDCCH monitoring period corresponds to an eMBB service, and the second PDCCH monitoring period is greater than the first threshold.
  • the first PDCCH monitoring period corresponds to a high-speed scenario, and the second PDCCH monitoring period corresponds to a low-speed scenario. Then, when the PDCCH monitoring periods are different, it can be considered that the content or purpose indicated in the DCI is different.
  • the terminal device when the PDCCH monitoring periods corresponding to the first information and the second information are different, it indicates that the content, format, or purpose indicated in the DCI transmitted twice are different, and at this time, the DMRS information transmitted twice may be considered different.
  • the terminal device cannot transmit two DMRSs at the same time. If the DMRS transmission is instructed according to the first information and the second information, the terminal device will behave incorrectly. Two messages.
  • the terminal device judges the importance of the information according to the PDCCH monitoring period, and further determines that the second information can be discarded.
  • the first condition when the second information includes the second DCI, the first condition further includes at least one of the following conditions: Option 28 to Option 31.
  • the first information may be the first DCI or the first configuration information, which is not limited in the embodiment of the present application.
  • Option 28 The second DCI is scrambled by using a second wireless network temporary identifier RNTI.
  • the second RNTI is an RNTI corresponding to a specific service type or usage scenario, for example, an RNTI corresponding to an eMBB service and an RNTI corresponding to a low-speed scenario. Therefore, in the embodiment of the present application, when the second DCI is scrambled with the second RNTI, the terminal device discards the second information. It can be understood that the terminal device discards the DCI corresponding to some specific service types or specific use scenarios. Conversely, if the second DCI uses other RNTIs than the second RNTI (such as the RNTI corresponding to the URLLC service and the RNTI corresponding to the high-speed scenario) for scrambling, the terminal device does not need to discard the second information.
  • the second DCI uses other RNTIs than the second RNTI (such as the RNTI corresponding to the URLLC service and the RNTI corresponding to the high-speed scenario) for scrambling, the terminal device does not need to discard the second information.
  • the format of the second DCI is a second format.
  • the DCI in the second format here is a DCI format corresponding to a specific service type or usage scenario, for example, a DCI format corresponding to an eMBB service and a DCI format corresponding to a low-speed scenario. Therefore, in the embodiment of the present application, when the second DCI is in the second format, the terminal device discards the second information. It can be understood that the terminal device discards the DCI corresponding to some specific service types or specific use scenarios. Conversely, if the format of the second DCI is a format other than the second format (such as the DCI format corresponding to the URLLC service and the DCI format corresponding to the high-speed scenario), the terminal device does not need to discard the second information.
  • the format of the second DCI is a format other than the second format (such as the DCI format corresponding to the URLLC service and the DCI format corresponding to the high-speed scenario)
  • the terminal device does not need to discard the second information.
  • Option 30 The search space where the second DCI is located is the second search space.
  • the second search space here is a search space corresponding to a specific service type or usage scenario, such as a search space corresponding to an eMBB service and a search space corresponding to a low-speed scenario. Therefore, in the embodiment of the present application, when the search space where the second DCI is located is the second search space, the terminal device discards the second information. It can be understood that the terminal device discards the DCI corresponding to some specific service types or specific use scenarios. . Conversely, if the search space where the second DCI is located is a search space other than the second search space (such as the search space corresponding to the URLLC service and the search space corresponding to the high-speed scene), the terminal device does not need to discard the second information. .
  • the physical downlink control channel PDCCH monitoring period corresponding to the second DCI is the second PDCCH monitoring period.
  • the second PDCCH monitoring period is a monitoring period corresponding to a specific service type or usage scenario, such as a monitoring period corresponding to an eMBB service and a monitoring period corresponding to a low-speed scenario. Therefore, in the embodiment of the present application, when the PDCCH monitoring period corresponding to the second DCI is set to the second monitoring period, the terminal device discards the second information. It can be understood that the terminal device performs DCI corresponding to certain specific service types or specific usage scenarios. throw away.
  • the terminal device does The second information needs to be discarded.
  • the terminal device may determine whether to discard the second information according to the attribute of the second information itself, without considering the attribute of the first information.
  • the terminal device may determine whether to discard the second information by combining at least one of the conditions of Option 28 to Option 31 with other conditions in the embodiments of the present application.
  • the terminal device when the first information includes the first DCI, the second information includes the second DCI, and the first DCI and the second DCI satisfy at least one of Option 1 to Option 3, it means that the first DCI is different from the second DCI. At this time, if the second DCI meets at least one of the conditions of Option 28 to Option 31, the terminal device discards the second information. If the second DCI does not satisfy at least one of the conditions of Option 28 to Option 31, the terminal device may not discard the second information. Optionally, the terminal device may discard the first information at this time.
  • the terminal device when the first information includes the first configuration information and the second information includes the second DCI, when the first information and the second information satisfy at least one of Option 1 to Option 3, if the second DCI meets Option If at least one of conditions from 28 to 31 is selected, the terminal device discards the second information. If the second DCI does not satisfy at least one of the conditions of Option 28 to Option 31, the terminal device may not discard the second information. Optionally, the terminal device may discard the first configuration information at this time.
  • the terminal device discards the second information when the second DCI satisfies at least one of the conditions of Option 28 to Option 31, and does not discard the second information when the second DCI does not meet at least one of the conditions of Option 28 to Option 31.
  • Information if the first information is inconsistent with the second information, some specific services or service transmission in use scenarios (such as eMBB services, low-speed scenarios) can be discarded, and then meet other specific services or use scenarios (such as URLLC services, high-speed scenarios) Scenario) Information transmission requirements.
  • the terminal device when at least one of Option 32 and Option 33 is satisfied, discards the second information.
  • the first condition may further include at least one of the following conditions: Option 32 and Option 33.
  • Option 32 The precoding information and layer number information indicated by the second information are different from the precoding information and layer information indicated by the first information.
  • DMRSs of different precoding information and layer information correspond to different precoding matrices, that is, different spatial characteristics.
  • DMRS corresponding to different precoding information and layer information may also correspond to time-frequency resources of different DMRS. Therefore, when the precoding information and the layer information indicated by the second information are different from the precoding information and the layer information indicated by the first information, the first DMRS and the second DMRS are different. In the case where the first DMRS and the second DMRS time-frequency resources overlap, the terminal device cannot transmit two DMRSs at the same time. If the transmission is instructed according to the first information and the second information, the terminal device will behave incorrectly, so the terminal device can discard the first Two messages.
  • Option 33 The frequency domain resource of the second channel indicated by the second information is different from the frequency domain resource of the first channel indicated by the first information.
  • the identity of the frequency domain resources means that the positions and sizes of the two frequency domain resources are the same; otherwise, if any of the positions and sizes of the two frequency domain resources are different, it means that the two frequency domain resources are different.
  • the terminal device may discard the second information.
  • the terminal device needs to be capable of transmitting DMRS on different frequency domain resources at the same time. If the terminal device does not have the ability to transmit more than one frequency domain resource at the same time, then the terminal device cannot transmit two DMRSs at the same time. At this time, if the DMRS is transmitted according to the first and second information instructions, the terminal device will behave incorrectly. The terminal device may discard the second information. Further, if the first information is inconsistent with the second information, frequency domain resources for transmitting the DMRS twice before and after will be changed, then the DMRS corresponding to the first channel cannot be used for information demodulation of the second channel.
  • the terminal device discards the second information.
  • the first condition may further include at least one of the following conditions: Option 34 and Option 35.
  • the terminal device is configured to transmit power command accumulation mode (tpc-Accumulation), and the transmit power command word indicated by the second information is not 1.
  • the closed-loop power indication information indicated by the first information is the same as the closed-loop power indication information indicated by the second information.
  • the terminal device when the terminal device receives a transmission power command word TPC of 1, it indicates that the transmission power corresponding to the second DMRS indicated by the second information is not greater than the transmission power of the first DMRS. Make adjustments; when the terminal device receives a transmit power command word TPC other than 1, it indicates that the transmit power corresponding to the second DMRS indicated by the second information is adjusted compared to the transmit power of the first DMRS, which results in the first DMRS and the second The DMRS transmit power is not the same. In the case where the first DMRS and the second DMRS time-frequency resources overlap, the terminal device cannot transmit two DMRSs with different transmit powers at the same time. If the DMRS transmission is instructed according to the first information and the second information, the terminal device will behave incorrectly. The terminal device may discard the second information.
  • the terminal device is configured in a non-transmission power command accumulation mode, and the transmission power command word indicated by the second information is different from the transmission power command word indicated by the first information.
  • the absolute power adjustment value is notified by each transmission power command word.
  • the terminal device cannot transmit two DMRS with different transmit powers at the same time. If the transmission of the DMRS is instructed according to the first information and the second information, the terminal device behaves incorrectly, so the terminal The device may discard the second information.
  • the terminal device is configured in a non-transmitting power command accumulation mode, and can also be equivalently replaced: the terminal device is not configured in a power command accumulation mode.
  • the first condition may include at least one of Option 1 to Option 35. That is, the terminal device may determine whether to discard the second information based on at least one of the above conditions Option 1 to Option 35. As an example, the terminal device may first determine whether the first information and the second information satisfy the first part of the conditions in Option 1 to Option 35, and when the first part of the conditions is satisfied, the terminal device may discard the second information. When the terminal device determines that the first information and the second information do not satisfy the first partial condition, it may continue to determine whether the first information and the second information meet the second partial condition of Option 1 to Option 35, and when the second partial condition is satisfied , The terminal device may discard the second information.
  • the first part of the condition is at least one of Option 1 to Option 35
  • the second part of the condition is at least one of conditions other than the first part of Option 1 to Option 35.
  • the terminal device may determine based on at least one of the above conditions: Option 1 to Option 3 and Option 24 to Option 27. Whether to discard the second information.
  • the terminal device may first determine whether to discard the second information based on at least one of the conditions Option 24 to Option 27. Specifically, in a possible implementation manner, when at least one of the conditions of Option 24 to Option 27 is satisfied, the terminal device may discard the second information. In another possible implementation manner, after determining not to discard the second information based on at least one of Option 24 to Option 27, it may continue to determine whether to discard the second information according to at least one of Option 1 to Option 3.
  • the terminal device may first determine whether to discard the second information based on at least one of Option 1 to Option 3. Specifically, in a possible implementation manner, when at least one of the conditions of Option 1 to Option 3 is satisfied, the terminal device may discard the second information. In another possible implementation manner, after determining not to discard the second information based on at least one of the conditions of Option 1 to Option 3, it may continue to determine whether to discard the second information according to at least one of Option 24 to Option 27. .
  • the terminal device determines that the first information and the second information do not satisfy at least one of the foregoing Option 1 to Option 35, the second information may not be discarded.
  • the DMRS information indicated by the first information and the second information is the same, and / or The transmission power of the information on the first channel indicated by the information and the second channel indicated by the second information is the same, and / or the first time unit indicated by the first information and the second time unit indicated by the second information The transmission power of the above information is the same. At this time, the terminal device does not discard both the first information and the second information.
  • the terminal device may discard the first information instead of discarding the second information.
  • the terminal device may discard the second information and follow the indication of the first information, thereby improving the demodulation performance of the channel.
  • the DMRS corresponding to the first channel indicated by the first information can also be used to demodulate the information of the second channel indicated by the second information.
  • the second channel shares the use of the DMRS of the first channel so as not to affect the demodulation performance of the second channel.
  • the terminal device may always discard the post-transmission of the first information and the second information.
  • the information either the configuration information in the first information and the second information is always discarded, or the dynamic scheduling information in the first information and the second information is always discarded, such as DCI, which is not limited in this embodiment of the present application.
  • FIG. 9 shows a schematic block diagram of a communication device 400 according to an embodiment of the present application.
  • the communication device 400 may be the terminal device in FIG. 2 above, or a communication chip in the terminal device, which is not limited in the embodiment of the present application.
  • the communication device includes a receiving unit 410 and a processing unit 420.
  • the receiving unit 410 is configured to receive first information, where the first information is used to indicate a time-frequency resource of a first demodulation reference signal DMRS.
  • the receiving unit 410 is further configured to receive second information, where the second information is used to indicate a time-frequency resource of a second DMRS, and the time-frequency resource of the second DMRS completely overlaps with the time-frequency resource of the first DMRS. Or partially overlapping, wherein the first information includes first downlink control information DCI and the second information includes second DCI, or the first information includes first configuration information and the second information includes second DCI, or the first information includes the first DCI and the second information includes the second configuration information, and the first configuration information and the second configuration information are both high-level signaling.
  • the processing unit 420 is configured to discard the second information when the first condition is satisfied, where the first condition includes at least one of the following conditions:
  • the partial bandwidth indication information indicated by the second information is different from the partial bandwidth indication information indicated by the first information
  • the antenna port information indicated by the second information is different from the antenna port information indicated by the first information
  • the DMRS sequence initialization information indicated by the second information is different from the DMRS sequence initialization information indicated by the first information.
  • the terminal device may discard the second information and follow the indication of the first information, thereby improving the demodulation performance of the channel.
  • the second information is discarded, and the DMRS corresponding to the first channel indicated by the first information can also be used to demodulate the information of the second channel indicated by the second information.
  • the second channel shares the use of the DMRS of the first channel so as not to affect the demodulation performance of the second channel.
  • the first information includes the first DCI and the second information includes the second DCI, wherein the DCI format in the first DCI and the second DCI is IDs are all 0; or,
  • the first information includes the first configuration information
  • the second information includes the second DCI.
  • the DCI format identifier in the second DCI is 0, and the first configuration information is used to configure no dynamics.
  • the second information includes the second configuration information
  • the first information includes the first DCI.
  • the DCI format identifier in the first DCI is 0, and the second configuration information is used to configure a non-dynamic authorization. Upstream transmission.
  • the first condition further includes at least one of the following conditions:
  • the uplink and supplemented uplink indication information indicated by the second information is different from the uplink and supplemented uplink indication information indicated by the first information;
  • the frequency hopping information indicated by the second information is different from the frequency hopping information indicated by the first information
  • the correspondence between the phase tracking reference signal PTRS and the demodulation reference signal DMRS indicated by the second information is different from the correspondence between the PTRS and DMRS indicated by the first information;
  • the closed-loop power control instruction information indicated by the second information is different from the closed-loop power control instruction information indicated by the first information
  • the converted precoder information indicated by the second information is different from the converted precoder information indicated by the first information.
  • the first information is further used to indicate a time domain resource of the first channel
  • the second information is further used to indicate a time domain resource of the second channel
  • the communication device 400 further include:
  • a sending unit configured to send a third channel, where the third channel is used to carry configuration-authorized uplink transmission
  • the first condition further includes at least one of the following conditions:
  • the time domain resource of the third channel is between the time domain resource of the first channel and the time domain resource of the second channel;
  • the time domain resources of the third channel partially or completely overlap the time domain resources of the first channel
  • the time domain resources of the third channel and the time domain resources of the second channel partially or completely overlap.
  • the first information includes the first DCI and the second information includes the second DCI, where the first DCI and the DCI identifier in the second DCI Both are 1; or,
  • the first information includes the first configuration information
  • the second information includes a second DCI.
  • the DCI format identifier in the second DCI is 1, and the first configuration information is used to configure downlink semi-continuous scheduling. Transmission; or,
  • the second information includes the second configuration information
  • the first information includes the first DCI
  • a DCI format identifier in the first DCI is 1
  • the second configuration information is used to configure downlink semi-continuous scheduling. transmission.
  • the first condition further includes at least one of the following conditions:
  • the transmission configuration indication information indicated by the second information is different from the transmission configuration indication information indicated by the first information
  • the physical resource block binding size indication information indicated by the second information is different from the physical resource block binding size indication information indicated by the first information
  • the frequency hopping information indicated by the second information is different from the frequency hopping information indicated by the first information.
  • the first information is further used to indicate a time domain resource of the first channel
  • the second information is further used to indicate a time domain resource of the second channel
  • the receiving unit 410 further Configured to receive a fourth channel, where the fourth channel is used to carry downlink information for semi-persistent scheduling;
  • the first condition further includes at least one of the following conditions:
  • the time domain resource of the fourth channel is between the time domain resource of the first channel and the time domain resource of the second channel;
  • the time domain resources of the fourth channel partially or completely overlap the time domain resources of the first channel
  • the time domain resources of the fourth channel and the time domain resources of the second channel partially or completely overlap.
  • the first information includes a first DCI and the second information includes a second DCI
  • the first condition further includes at least one of the following conditions:
  • the first DCI is scrambled with a first wireless network temporary identifier RNTI
  • the second DCI is scrambled with a second RNTI
  • the first RNTI is different from the second RNTI
  • a format of the first DCI is a first format
  • a format of the second DCI is a second format
  • the first format is different from the second format
  • a search space where the first DCI is located is a first search space
  • a search space where the second DCI is located is a second search space
  • the first search space is different from the second search space
  • the physical downlink control channel PDCCH monitoring period corresponding to the first DCI is a first PDCCH monitoring period
  • the PDCCH monitoring period corresponding to the second DCI is a second PDCCH monitoring period
  • the first PDCCH monitoring period and the second PDCCH monitoring period are The PDCCH monitoring period is different.
  • the second information includes a second DCI
  • the first condition further includes at least one of the following conditions:
  • a format of the second DCI is a second format
  • the search space where the second DCI is located is a second search space
  • the physical downlink control channel PDCCH monitoring period corresponding to the second DCI is a second PDCCH monitoring period.
  • the receiving unit 410 may be implemented by a transceiver or a transceiver circuit
  • the processing unit 420 may be implemented by a processor.
  • the communication device 500 may include a processor 510 and a transceiver 530, and optionally, a memory 520.
  • the memory 520 may be used to store code executed by the processor 510, and the processor 510 may be used to process data or programs.
  • the transceiver 530 may be implemented by a transceiver circuit, which is used to implement information transmission and reception functions with other modules or communication entities.
  • each step of the above method may be completed by an integrated logic circuit of hardware in the processor 510 or an instruction in a form of software.
  • the steps of the method disclosed in combination with the embodiments of the present application may be directly implemented by a hardware processor, or may be performed by a combination of hardware and software modules in the processor.
  • the software module may be located in a mature storage medium such as a random access memory, a flash memory, a read-only memory, a programmable read-only memory, or an electrically erasable programmable memory, a register, and the like.
  • the storage medium is located in the memory 520, and the processor 510 reads the information in the memory 520 and completes the steps of the foregoing method in combination with its hardware. To avoid repetition, it will not be described in detail here.
  • the communication device 400 shown in FIG. 9 or the communication device 500 shown in FIG. 10 can implement each process corresponding to the terminal device in the foregoing method embodiment. Specifically, for the communication device 400 or the communication device 500, refer to the description of the terminal device above. To avoid repetition, we will not repeat them here.
  • An embodiment of the present application further provides a computer-readable medium for storing a computer program, where the computer program includes instructions for executing a corresponding method in the foregoing method embodiments.
  • An embodiment of the present application further provides a computer program product.
  • the computer program product includes a computer program code, and when the computer program code is executed, implements a corresponding method in any of the foregoing method embodiments.
  • the size of the sequence numbers of the above processes does not mean the order of execution.
  • the execution order of each process should be determined by its function and internal logic, and should not be implemented in this application.
  • the implementation process of the example constitutes any limitation.
  • the disclosed systems, devices, and methods may be implemented in other ways.
  • the device embodiments described above are only schematic.
  • the division of the unit is only a logical function division.
  • multiple units or components may be combined or Can be integrated into another system, or some features can be ignored or not implemented.
  • the displayed or discussed mutual coupling or direct coupling or communication connection may be indirect coupling or communication connection through some interfaces, devices or units, which may be electrical, mechanical or other forms.
  • the units described as separate components may or may not be physically separated, and the components displayed as units may or may not be physical units, may be located in one place, or may be distributed on multiple network units. Some or all of the units may be selected according to actual needs to achieve the objective of the solution of this embodiment.
  • each functional unit in each embodiment of the present application may be integrated into one processing unit, or each of the units may exist separately physically, or two or more units may be integrated into one unit.
  • the functions are implemented in the form of software functional units and sold or used as independent products, they can be stored in a computer-readable storage medium.
  • the technical solution of this application is essentially a part that contributes to the existing technology or a part of the technical solution can be embodied in the form of a software product.
  • the computer software product is stored in a storage medium, including Several instructions are used to cause a computer device (which may be a personal computer, a server, or a network device, etc.) to perform all or part of the steps of the method described in the embodiments of the present application.
  • the aforementioned storage media include: U disks, mobile hard disks, read-only memories (ROMs), random access memories (RAMs), magnetic disks or compact discs and other media that can store program codes .
  • "at least one” means one or more, and “multiple” means two or more.
  • "And / or” describes the association relationship of related objects, and indicates that there can be three kinds of relationships, for example, A and / or B can represent: the case where A exists alone, A and B exist simultaneously, and B alone exists, where A, B can be singular or plural.
  • the character "/" generally indicates that the related objects are in an "or" relationship.

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  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

La présente invention concerne un procédé de traitement d'informations et un appareil de communication. Dans les modes de réalisation de la présente invention, lorsqu'un premier DMRS, indiqué par des premières informations, recouvre en partie un second DMRS indiqué par des secondes informations sur une ressource temps-fréquence, pendant que certains paramètres parmi d'autres paramètres indiqués par les premières informations et les secondes informations sont différents, un dispositif terminal peut rejeter les secondes informations pour éviter un comportement incorrect ou non prévisible du dispositif terminal. Les paramètres indiqués par les premières informations et les secondes informations comprennent au moins un des paramètres suivants : des informations d'indication de partie de largeur de bande, des informations de port d'antenne et des informations d'initialisation de séquence de DMRS.
PCT/CN2019/099505 2018-08-09 2019-08-06 Procédé de traitement d'informations et appareil de communication Ceased WO2020029973A1 (fr)

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US20210168007A1 (en) 2021-06-03
CN110830195B (zh) 2021-10-01
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EP3826216B1 (fr) 2023-06-14
CN110830195A (zh) 2020-02-21
EP3826216A4 (fr) 2021-08-18

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